linux-kernel - [PATCH v3 0/2] Add device tree for Nvidia BMC msx4 cx8 switchboard

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Message-Id: <20251108-msx1_devicetree-v3-0-c7cb477ade27@nvidia.com>
Date: Sat, 08 Nov 2025 14:24:33 -0800
From: Marc Olberding <molberding@...dia.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>, 
 Andrew Jeffery <andrew@...econstruct.com.au>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
 Marc Olberding <molberding@...dia.com>, 
 Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v3 0/2] Add device tree for Nvidia BMC msx4 cx8 switchboard

Patch 1 Adds the binding for the msx4 cx8 switchboard
Patch 2 Adds the device tree for the msx4 cx8 switchboard reference implementation.

This is an Aspeed AST2600 based reference implementation for a BMC
managing the nvidia mgx cx8 switchboard.

Reference to Ast2600 Soc [1].

Link: https://www.aspeedtech.com/server_ast2600/ [1]

Signed-off-by: Marc Olberding <molberding@...dia.com>
---
Changes in v3:
- Removed mac and mdio node completely per Andrew Lunn's request. Will add back
    once the mac driver is fixed
- Link to v2: https://lore.kernel.org/r/20251107-msx1_devicetree-v2-0-6e36eb878db2@nvidia.com

Changes in v2:
- Added ack by Conor Dooley on patch 1 
- Changed phy-mode attribute after discussion with Andrew Jeffery and feedback from Andrew Lunn
    and added a comment with a better explanation
- Link to v1: https://lore.kernel.org/r/20250918-msx1_devicetree-v1-1-18dc07e02118@nvidia.com

---
Marc Olberding (2):
      dt-bindings: arm: aspeed: Add Nvidia msx4 board
      dts: aspeed: Add a dts for the nvidia msx4 hpm

 .../devicetree/bindings/arm/aspeed/aspeed.yaml     |   1 +
 arch/arm/boot/dts/aspeed/Makefile                  |   1 +
 .../boot/dts/aspeed/aspeed-bmc-nvidia-msx4-bmc.dts | 235 +++++++++++++++++++++
 3 files changed, 237 insertions(+)
---
base-commit: 38a2c275c3d3f7d7180d012386cd6fcf87854400
change-id: 20250908-msx1_devicetree-7af2c1fc15d0

Best regards,
-- 
Marc Olberding <molberding@...dia.com>